1 dnl Process this file with autoconf to produce a configure script.
3 dnl And be careful when changing it! If you must add tests with square
4 dnl brackets, be sure changequote invocations surround it.
6 dnl Copyright (C) 2012-2014 Free Software Foundation, Inc.
8 dnl This file is free software; you can redistribute it and/or modify
9 dnl it under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 3 of the License, or
11 dnl (at your option) any later version.
13 dnl This program is distributed in the hope that it will be useful,
14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 dnl GNU General Public License for more details.
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with this program; see the file COPYING3. If not see
20 dnl <http://www.gnu.org/licenses/>.
22 dnl v2.5 needed for --bindir et al
25 AC_CONFIG_SRCDIR(as.h)
27 dnl Autoconf 2.57 will find the aux dir without this. However, unless
28 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
29 dnl gas/ instead of gas/../.
35 BFD_VERSION=`${srcdir}/../bfd/configure --version | sed -n -e '1s,.* ,,p'`
37 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
41 AC_USE_SYSTEM_EXTENSIONS
46 AC_ARG_ENABLE(targets,
47 [ --enable-targets alternative target configurations besides the primary],
48 [case "${enableval}" in
49 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
51 no) enable_targets= ;;
52 *) enable_targets=$enableval ;;
56 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
59 AC_ARG_ENABLE(checking,
60 [ --enable-checking enable run-time checks],
61 [case "${enableval}" in
62 no|none) ac_checking= ;;
65 if test x$ac_checking != x ; then
66 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
73 # Generate a header file
74 AC_CONFIG_HEADERS(config.h:config.in)
77 AH_VERBATIM([00_CONFIG_H_CHECK],
78 [/* Check that config.h is #included before system headers
79 (this works only for glibc, but that should be enough). */
80 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
81 # error config.h must be #included before system headers
83 #define __CONFIG_H__ 1])
85 # If we are on a DOS filesystem, we must use gdb.ini rather than
88 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
90 AC_CONFIG_FILES(gdb.ini:gdbinit.in)
94 AC_CONFIG_FILES(.gdbinit:gdbinit.in)
99 #We need this for the host. BOUT header is in host order.
104 # Makefile target for installing gas in $(tooldir)/bin.
105 install_tooldir=install-exec-tooldir
109 if test -n "$enable_targets" ; then
110 for t in `echo $enable_targets | sed 's/,/ /g'`; do
111 if test $t = "all"; then
115 result=`$ac_config_sub $t 2>/dev/null`
116 if test -n "$result" ; then
117 canon_targets="$canon_targets $result"
119 # # Permit "all", etc. We don't support it yet though.
120 # canon_targets="$canon_targets $t"
123 GAS_UNIQ(canon_targets)
128 for this_target in $target $canon_targets ; do
131 . ${srcdir}/configure.tgt
133 case ${target_cpu} in
135 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
136 [Default CRIS architecture.])
140 if test ${this_target} = $target ; then
141 target_cpu_type=${cpu_type}
142 elif test ${target_cpu_type} != ${cpu_type} ; then
146 generic_target=${cpu_type}-${target_vendor}-${target_os}
147 case ${generic_target} in
149 if test ${this_target} = $target; then
150 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
157 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
161 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
170 AC_DEFINE(AIX_WEAK_SUPPORT, 1,
171 [Define if using AIX 5.2 value for C_WEAKEXT.])
174 if test ${this_target} = $target; then
175 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
176 [Define if default target is PowerPC Solaris.])
178 if test x${endian} = xbig; then
179 AC_MSG_ERROR(Solaris must be configured little endian)
184 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
188 if test ${this_target} = $target ; then
190 if test x${endian} = xbig; then
192 elif test x${endian} = xlittle; then
195 if test x${endian_def} != x; then
196 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
197 [Define as 1 if big endian.])
201 # Other random stuff.
205 # Set mips_cpu to the name of the default CPU.
206 case ${target_cpu} in
207 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
210 mipsisa32 | mipsisa32el)
213 mipsisa32r2 | mipsisa32r2el)
216 mipsisa32r3 | mipsisa32r3el)
219 mipsisa32r5 | mipsisa32r5el)
222 mipsisa64 | mipsisa64el)
225 mipsisa64r2 | mipsisa64r2el)
228 mipsisa64r3 | mipsisa64r3el)
231 mipsisa64r5 | mipsisa64r5el)
234 mipstx39 | mipstx39el)
237 mips64vr | mips64vrel)
240 mipsisa32r2* | mipsisa64r2*)
242 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
245 mips64* | mipsisa64* | mipsisa32*)
247 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
252 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
256 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
259 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
260 # binaries. It's a GNU extension that some OSes don't understand.
269 # Decide whether to generate 32-bit or 64-bit code by default.
270 # Used to resolve -march=from-abi when an embedded ABI is selected.
272 mips64*-*-* | mipsisa64*-*-*)
279 # Decide which ABI to target by default.
281 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
282 mips_default_abi=N32_ABI
284 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
285 mips_default_abi=O32_ABI
288 mips_default_abi=N64_ABI
291 mips_default_abi=NO_ABI
294 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
295 [Default CPU for MIPS targets. ])
296 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
297 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
298 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
299 [Generate 64-bit code by default on MIPS targets. ])
300 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
301 [Choose a default ABI for MIPS targets. ])
305 # Do we need the opcodes library?
313 case "${enable_shared}" in
314 yes) shared_opcodes=true ;;
315 *opcodes*) shared_opcodes=true ;;
316 *) shared_opcodes=false ;;
321 # Any other special object files needed ?
325 echo ${extra_objects} | grep -s "bfin-parse.o"
326 if test $? -ne 0 ; then
327 extra_objects="$extra_objects bfin-parse.o"
330 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
331 if test $? -ne 0 ; then
332 extra_objects="$extra_objects bfin-lex-wrapper.o"
336 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
347 case ${extra_objects} in
349 *) extra_objects="$extra_objects m68k-parse.o" ;;
358 echo ${extra_objects} | grep -s "itbl-parse.o"
359 if test $? -ne 0 ; then
360 extra_objects="$extra_objects itbl-parse.o"
363 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
364 if test $? -ne 0 ; then
365 extra_objects="$extra_objects itbl-lex-wrapper.o"
368 echo ${extra_objects} | grep -s "itbl-ops.o"
369 if test $? -ne 0 ; then
370 extra_objects="$extra_objects itbl-ops.o"
379 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
380 # based on arch_name.
381 AC_MSG_CHECKING(for default configuration of --with-arch)
382 if test "x${with_arch}" != x; then
384 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
385 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
386 [Define value for nds32_arch_name])
389 AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
393 AC_MSG_RESULT($with_arch)
395 # Decide features one by one.
396 AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
397 if test "x${enable_dx_regs}" == xyes; then
398 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
399 [Define value for nds32_dx_regs])
401 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
402 [Define default value for nds32_dx_regs])
404 AC_MSG_RESULT($enable_dx_regs)
406 AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
407 if test "x${enable_perf_ext}" == xno; then
408 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
409 [Define value for nds32_perf_ext])
411 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
412 [Define default value for nds32_perf_ext])
414 AC_MSG_RESULT($enable_perf_ext)
416 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
417 if test "x${enable_perf_ext2}" == xno; then
418 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
419 [Define value for nds32_perf_ext2])
421 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
422 [Define default value for nds32_perf_ext2])
424 AC_MSG_RESULT($enable_perf_ext2)
426 AC_MSG_CHECKING(for default configuration of --enable-string-ext)
427 if test "x${enable_string_ext}" == xno; then
428 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
429 [Define value for nds32_string_ext])
431 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
432 [Define default value for nds32_string_ext])
434 AC_MSG_RESULT($enable_string_ext)
436 AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
437 if test "x${enable_audio_ext}" == xno; then
438 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
439 [Define value for nds32_audio_ext])
441 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
442 [Define default value for nds32_audio_ext])
444 AC_MSG_RESULT($enable_audio_ext)
448 if test $this_target = $target ; then
449 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
454 echo ${extra_objects} | grep -s "rl78-parse.o"
455 if test $? -ne 0 ; then
456 extra_objects="$extra_objects rl78-parse.o"
461 echo ${extra_objects} | grep -s "rx-parse.o"
462 if test $? -ne 0 ; then
463 extra_objects="$extra_objects rx-parse.o"
476 echo ${extra_objects} | grep -s "xtensa-relax.o"
477 if test $? -ne 0 ; then
478 extra_objects="$extra_objects xtensa-relax.o"
486 if test $using_cgen = yes ; then
487 case "x${extra_objects}" in
489 *) extra_objects="$extra_objects cgen.o" ;;
493 # See if we really can support this configuration with the emulation code.
495 if test $this_target = $target ; then
501 vms) extra_objects="$extra_objects te-vms.o" ;;
504 # From target name and format, produce a list of supported emulations.
506 case ${generic_target}-${fmt} in
507 mips-*-*-*) case "$endian" in
508 big) emulation="mipsbelf mipslelf mipself" ;;
509 *) emulation="mipslelf mipsbelf mipself" ;;
511 # i386-pc-pe-coff != i386-pc-coff.
513 # Uncommenting the next line will turn on support for i386 AOUT
514 # for the default linux configuration
515 # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
517 i386-*-aout) emulation="i386aout" ;;
518 i386-*-coff) emulation="i386coff" ;;
519 i386-*-elf) emulation="i386elf" ;;
521 # Always all formats. The first stated emulation becomes the default.
522 cris-*-*aout*) emulation="crisaout criself" ;;
523 cris-*-*) emulation="criself crisaout" ;;
526 emulations="$emulations $emulation"
530 # Turn on all targets if possible
531 if test ${all_targets} = "yes"; then
532 case ${target_cpu_type} in
534 case ${obj_format} in
536 emulations="$emulations i386coff i386elf"
539 emulations="$emulations i386aout i386elf"
542 emulations="$emulations i386aout i386coff"
547 case ${obj_format} in
549 emulations="$emulations i386coff i386elf"
552 emulations="$emulations i386aout i386elf"
555 emulations="$emulations i386aout i386coff"
562 # PE code has way too many macros tweaking behaviour
564 pe*) emulations="" ;;
567 # Assign floating point type. Most processors with FP support
568 # IEEE FP. On those that don't support FP at all, usually IEEE
570 case ${target_cpu} in
571 vax | pdp11 ) atof=vax ;;
575 case "${obj_format}" in
576 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
579 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
581 if test $using_cgen = yes ; then
582 case ${target_cpu} in
584 cgen_cpu_prefix=or1k ;;
585 *) cgen_cpu_prefix=${target_cpu} ;;
587 AC_SUBST(cgen_cpu_prefix)
588 AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
592 dnl Make sure the desired support files exist.
595 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
596 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
599 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
600 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
603 # Some COFF configurations want these random other flags set.
604 case ${obj_format} in
606 case ${target_cpu_type} in
607 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
608 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
609 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
610 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
615 # Getting this done right is going to be a bitch. Each configuration specified
616 # with --enable-targets=... should be checked for environment, format, cpu
619 # For each configuration, the necessary object file support code must be linked
620 # in. This might be only one, it might be up to four. The necessary emulation
621 # code needs to be provided, too.
623 # And then there's "--enable-targets=all"....
625 # For now, just always do it for MIPS ELF configurations. Sigh.
627 formats="${obj_format}"
631 for em in . $emulations ; do
634 mipsbelf | mipslelf | mipself)
635 fmt=elf file=mipself ;;
643 formats="$formats $fmt"
644 emfiles="$emfiles e-$file.o"
645 EMULATIONS="$EMULATIONS &$em,"
649 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
650 for fmt in $formats ; do
652 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;;
653 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;;
654 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;;
655 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;;
656 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;;
657 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
658 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;;
660 extra_objects="$extra_objects obj-$fmt.o"
664 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
665 DEFAULT_EMULATION=`set . $emulations ; echo $2`
666 # e-mipself has more than one emulation per file, e-i386* has just one at the
667 # moment. If only one emulation is specified, then don't define
668 # USE_EMULATIONS or include any of the e-files as they will only be bloat.
669 case "${obj_format}${emfiles}" in
671 extra_objects="$extra_objects $emfiles"
672 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
675 AC_SUBST(extra_objects)
676 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
677 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
678 [Default emulation.])
680 reject_dev_configs=yes
682 case ${reject_dev_configs}-${dev} in
684 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
688 AC_SUBST(target_cpu_type)
691 AC_SUBST(install_tooldir)
693 dnl AC_SUBST(emulation)
695 # do we need the opcodes library?
696 case "${need_opcodes}" in
698 OPCODES_LIB=../opcodes/libopcodes.la
702 AC_SUBST(OPCODES_LIB)
704 AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.])
705 AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.])
706 AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.])
707 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.])
708 AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.])
713 ALL_LINGUAS="fr tr es rw id ru fi ja"
714 ZW_GNU_GETTEXT_SISTER_DIR
718 AM_CONDITIONAL(GENINSRC_NEVER, false)
721 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
724 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
725 # people who are not cross-compiling but are compiling cross-assemblers.
726 AC_MSG_CHECKING(whether compiling a cross-assembler)
727 if test "${host}" = "${target}"; then
731 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
733 AC_MSG_RESULT($cross_gas)
735 dnl ansidecl.h will deal with const
740 # VMS doesn't have unlink.
741 AC_CHECK_FUNCS(unlink remove, break)
742 AC_CHECK_FUNCS(sbrk setlocale)
746 # do we need the math library?
747 case "${need_libm}" in
754 # Some non-ANSI preprocessors botch requoting inside strings. That's bad
755 # enough, but on some of those systems, the assert macro relies on requoting
759 # On some systems, the system header files may not declare malloc, realloc,
760 # and free. There are places where gas needs these functions to have been
761 # declared -- such as when taking their addresses.
769 #ifdef HAVE_STRINGS_H
781 # Does errno.h declare errno, or do we have to add a separate declaration
783 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
789 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
790 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
791 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
792 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
793 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
794 if test $gas_cv_decl_getopt_unistd_h = yes; then
795 AC_DEFINE([HAVE_DECL_GETOPT], 1,
796 [Is the prototype for getopt in <unistd.h> in the expected format?])
799 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
800 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
801 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
802 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
803 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
804 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
806 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf])
810 # Link in zlib if we can. This allows us to write compressed debug sections.
813 # Support for VMS timestamps via cross compile
815 if test "$ac_cv_header_time_h" = yes; then
816 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
819 if test "$ac_cv_header_sys_stat_h" = yes; then
820 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
821 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
825 dnl Required for html, pdf, install-pdf and install-html targets.
826 AC_SUBST(datarootdir)
831 dnl This must come last.
833 dnl We used to make symlinks to files in the source directory, but now
834 dnl we just use the right name for .c files, and create .h files in
835 dnl the build directory which include the right .h file. Make sure
836 dnl the old symlinks don't exist, so that a reconfigure in an existing
837 dnl directory behaves reasonably.
839 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
840 AC_CONFIG_COMMANDS([default],
841 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
842 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
843 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
844 echo '#include "te-'"${te_file}"'.h"' > targ-env.h
845 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
846 if test "x$cgen_cpu_prefix" != x ; then
847 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
849 [target_cpu_type=${target_cpu_type}
850 cgen_cpu_prefix=${cgen_cpu_prefix}
851 obj_format=${obj_format}